[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

content/common/gpu/gpu_channel.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 880 matching lines @@
                                           client_id_);
     }
   }
 }
 
 void GpuChannel::HandleUpdateValueState(
     unsigned int target, const gpu::ValueState& state) {
   pending_valuebuffer_state_->UpdateState(target, state);
 }
 
-bool GpuChannel::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd) {
+bool GpuChannel::OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
+                              base::trace_event::ProcessMemoryDump* pmd) {
   auto dump_name = GetChannelName();
   std::replace(dump_name.begin(), dump_name.end(), '.', '_');
 
   base::trace_event::MemoryAllocatorDump* dump =
       pmd->CreateAllocatorDump(base::StringPrintf("gl/%s", dump_name.c_str()));
 
   dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   GetMemoryUsage());
 
   return true;
 }
 
 }  // namespace content